A novel robust strategy for discontinuous Galerkin methods in computational fluid mechanics: Why? When? What? Where?

GJ Gassner, AR Winters - Frontiers in Physics, 2021 - frontiersin.org
In this paper we will review a recent emerging paradigm shift in the construction and
analysis of high order Discontinuous Galerkin methods applied to approximate solutions of …

A positivity preserving strategy for entropy stable discontinuous Galerkin discretizations of the compressible Euler and Navier-Stokes equations

Y Lin, J Chan, I Tomas - Journal of Computational Physics, 2023 - Elsevier
High-order entropy-stable discontinuous Galerkin methods for the compressible Euler and
Navier-Stokes equations require the positivity of thermodynamic quantities in order to …

Well-balanced high-order discontinuous Galerkin methods for systems of balance laws

E Guerrero Fernández, C Escalante, MJ Castro Díaz - Mathematics, 2021 - mdpi.com
This work introduces a general strategy to develop well-balanced high-order Discontinuous
Galerkin (DG) numerical schemes for systems of balance laws. The essence of our …

Entropy stable modal discontinuous Galerkin schemes and wall boundary conditions for the compressible Navier-Stokes equations

J Chan, Y Lin, T Warburton - Journal of Computational Physics, 2022 - Elsevier
Entropy stable schemes ensure that physically meaningful numerical solutions also satisfy a
semi-discrete entropy inequality under appropriate boundary conditions. In this work, we …

Provably stable flux reconstruction high-order methods on curvilinear elements

A Cicchino, DCDR Fernández, S Nadarajah… - Journal of …, 2022 - Elsevier
Provably stable flux reconstruction (FR) schemes are derived for partial differential
equations cast in curvilinear coordinates. Specifically, energy stable flux reconstruction …

An arbitrary high order well-balanced ADER-DG numerical scheme for the multilayer shallow-water model with variable density

EG Fernández, MJC Díaz, M Dumbser… - Journal of Scientific …, 2022 - Springer
In this work, we present a novel numerical discretization of a variable pressure multilayer
shallow water model. The model can be written as a hyperbolic PDE system and allows the …

Entropy-conservative discontinuous Galerkin methods for the shallow water equations with uncertainty

J Bender, P Öffner - Communications on Applied Mathematics and …, 2024 - Springer
In this paper, we develop an entropy-conservative discontinuous Galerkin (DG) method for
the shallow water (SW) equation with random inputs. One of the most popular methods for …

SUPG formulation augmented with YZβ shock‐capturing for computing shallow‐water equations

S Cengizci, Ö Uğur - ZAMM‐Journal of Applied Mathematics …, 2023 - Wiley Online Library
We demonstrate that the streamline‐upwind/Petrov–Galerkin (SUPG) formulation enhanced
with YZβ discontinuity‐capturing, that is, the SUPG‐YZβ formulation, is an efficient and …

An entropy stable discontinuous Galerkin method for the two-layer shallow water equations on curvilinear meshes

P Ersing, AR Winters - Journal of Scientific Computing, 2024 - Springer
We present an entropy stable nodal discontinuous Galerkin spectral element method
(DGSEM) for the two-layer shallow water equations on two dimensional curvilinear meshes …

Entropy stable discontinuous Galerkin methods for ten-moment Gaussian closure equations

B Biswas, H Kumar, A Yadav - Journal of Computational Physics, 2021 - Elsevier
In this article, we propose high order discontinuous Galerkin entropy stable schemes for ten-
moment Gaussian closure equations, based on the suitable quadrature rules (see [1]). The …